Diisopropylethylamine → 3-[6-Cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carbonyl]-3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid ethyl ester

HRID 624968Notes

Reaction equation

HRID 624968 reaction equation
[CH:1]1([CH2:4][O:5][C:6]2[N:11]=[C:10]([C:12]([OH:14])=O)[CH:9]=[CH:8][C:7]=2[N:15]2[CH2:18][C:17]([F:20])([F:19])[CH2:16]2)[CH2:3][CH2:2]1.[CH:21]12[CH:26]([C:27]([O:29][CH2:30][CH3:31])=[O:28])[CH:25]1[CH2:24][NH:23][CH2:22]2.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.CCN(C(C)C)C(C)C>>[CH2:30]([O:29][C:27]([CH:26]1[CH:25]2[CH:21]1[CH2:22][N:23]([C:12]([C:10]1[CH:9]=[CH:8][C:7]([N:15]3[CH2:18][C:17]([F:20])([F:19])[CH2:16]3)=[C:6]([O:5][CH2:4][CH:1]3[CH2:2][CH2:3]3)[N:11]=1)=[O:14])[CH2:24]2)=[O:28])[CH3:31]

Participants

5

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 35222743-Azabicyclo(3.1.0)hexane-6-carboxylic acid, ethyl esterHCID 710872926-(Cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)picolinic acid

Product 1

HCID 902039993-[6-Cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carbonyl]-3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid ethyl ester

Procedure

In analogy to the procedure described in Example 47 b), 6-cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carboxylic acid (Example 1 b)) was reacted with ethyl 3-azabicyclo[3.1.0]hexane-6-carboxylate (179236-79-4) in the presence of TBTU and DIEA to obtain the title compound as colorless oil; MS (EI): m/e=422.5 [MH+].

Sources & evidence

ORD record
ord-026e3a24841d40539b39e6c5af2b4697
Source dataset
uspto-grants-2016_04
Patent number
US09303012B2

Reaction notes

Loading…